How many people have trich:
1.5% of males and 3.4% of females in a college sample reported significant hair pulling resulting in bald patches at some point in their lives (Christenson et al, 1991) 15.3 % of participants in another study reported pulling for "non-grooming" purposes, without creating bald spots (Stanley, Borden, Bell & Wagner, 1994), 10% of subjects in another study reported non-cosmetic hair pulling on a regular basis (Rothbaum, Shaw, Morris, & Ninan, 1993).Overall estimates of people who pull their hair to any extent for non-grooming purposes are likely between 3 and 15% of the population.
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What is trichotillomania or "trich"? How many people have trich: How does trich begin? Who pulls out their hair? The facts about pulling Problems hair pulling can cause: Trich in history Why do people pull out their hair? How do we treat trich? Readiness for Change References